User guide

82 AltiWare ACC 5.1 Administration Manual
Figure 8. Triton E1 configuration dialog box
Reading the Status Messages
If the channel group is working, the Status line displays OK. This status line is updated
every 3 seconds. If there is an error, a message is displayed. The following table lists
the types of error messages and the appropriate actions.
Error Message Meaning Action
HW failure: <No
Answer>
Major hardware
problem. Board is not
responding to
commands. Reasons
could be: 1) DSP loading
failure; 2) If PRI, board
failed.
1. Reset board.
2. If error continues,
replace board.
HW failure: <No
Clocks>
No clock signal is
detected on T1 interface
drop.
1. Check MVIP clock.
2. Reset board. If this
does not work,
replace board.
L1 failure: <No
Signal (LOS)>
Layer 1 failure, physical
layer; LOS = Loss of
Analog Signal
Check T1/PRI cable and
change if necessary. If
cable is okay, CO is not
sending any signal.
Contact CO.
L1 failure: <Alarm
Indication Signal
(AIS)>
Layer 1 failure, CO sends
all 1’s to our T1/E1; AIS
= Alarm Indicator
Signal; all ones detected
To locate the AIS alarm,
have the carrier check
the T1 network element
connected to the T1
interface and trace the
problem.